Absolutely! While on the HCG protocol, the quantity of food you are consuming simply does not produce the same amount of waste that your previous diet produced. It is perfectly normal for a bowel movement to occur every 3-5 days while on the protocol. If there is no discomfort, this is perfectly fine. If you do experience discomfort, you may want to speak with your physician. Some of our clients use psyllium husk capsules, but they must be free of sugars and starch. We recommend and sell the NOW Foods brand.